Question

What is the molarity of a FeSO4.7H2O solution
having 5.56 g of it dissolved in 250 mL of water
(molar mass = 278)
a) 0.02 M b)0.4M c) 0.04 M d) 0.08 M
. - 1
C
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Answer 1

M=W/GMW*1000/V

=5.56/278*1000/250

=0.02*4

M=0.08M

answer is d.

hope this helps u